4091757947 has 2 divisors, whose sum is σ = 4091757948. Its totient is φ = 4091757946.

The previous prime is 4091757941. The next prime is 4091757953. The reversal of 4091757947 is 7497571904.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (4091757941) and next prime (4091757953).

It is a cyclic number.

It is not a de Polignac number, because 4091757947 - 2¹⁸ = 4091495803 is a prime.

It is not a weakly prime, because it can be changed into another prime (4091757941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045878973 + 2045878974.

It is an arithmetic number, because the mean of its divisors is an integer number (2045878974).

Almost surely, 2^4091757947 is an apocalyptic number.

4091757947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091757947 is an equidigital number, since it uses as much as digits as its factorization.

4091757947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The square root of 4091757947 is about 63966.8503758001. The cubic root of 4091757947 is about 1599.4474585571.

The spelling of 4091757947 in words is "four billion, ninety-one million, seven hundred fifty-seven thousand, nine hundred forty-seven".